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The point (2,7) is successively reflected across the x-axis then the y-axis and then the x-axis again. What is the area of the rectangle formed by these two pointer
General
2 months ago
Please help me with the following questions. Thanks!
General
2 months ago
Write y = x2 - 4x + 6 in vertex form.
General
2 months ago
The random variable X, representing the number of items sold in a week, has the following probability distribution: x 0 1 2 3 4 5 6 P(X = x) 0.10 0.20 0.40 0.15 0.05 0.05 0.05 By the fourth day of a particular week, 3 items have already sold. What is the probability that there will be less than a total of 5 items sold during that week?
General
2 months ago
Casper bought some pencils at .50 each. He had $3 left after the purchase. If he wanted to buy the same number of note pads at .80 each, he would be short 1.50. Write a linear equation for the number of pencils he purchased. Then solve it.
General
2 months ago
Place each pair of angles in the correct column.
General
2 months ago
one butterfly was shown to fly an average of 11.5 mph. About how many days will it take to make the trip not counting rest.Trip Distance:2500 miles
General
2 months ago
50 point for this questionLet a, b, and c be the measures of three angles of a triangle. It is known that: 51.3°≤a≤51.5° and 72.9°≤b≤73.3°. What are all possible values of c?
General
2 months ago
A certain form of cancer is known to be found in women over 60 with probability 0.07. A blood test exists for the detection of the disease, but the test is not infallible. In fact, it is known that 10% of the time the test gives a false negative (i.e., the test incorrectly gives a negative result) and 5% of the time the test gives a false positive (i.e., incorrectly gives a positive result). If a woman over 60 is known to have taken the test and received a favorable (i.e., negative) result, what is the probability that she has the disease?
General
2 months ago
On Saturday 1/8 of people who visited were senior citizen and 1/8 for infants 1/4 were children and 1/2 were adults how many of each group visited the zoo on Saturday
General
2 months ago
Which step should be taken to isolate the variable in the following equation? LaTeX: 7d\:=\:497 d = 49 Group of answer choices A. Add 7 to both sides of the equation B. Subtract 7 from both sides of the equation C. Multiply both sides of the equation by 7. D. Divide both sides of the equation by 7.
General
2 months ago
what is the exact value of Cosz?
General
2 months ago
Mandi has 42 stamps. She wants to put her stamps in a folder. If she puts 6 stamps on each page, how could she find the number of pages needed? Group of answer choices A. 42 ÷ 6 = nB. 42 × 6 = nC. 42 + 6 = nD. 42 − 6 = n
General
2 months ago
We toss three fair coins simultaneously and independently. If the outcomes of all coin tosses are the same, we win; otherwise, we lose. Let A be the event that the first coin and second coin come up heads, B be the event that the second coin and third coin come up heads, and C be the event that we win. Determine whether the below events are true or false. A. Events A and B are not independent. B. Events A and C are independent. C. Events A and B are conditionally independent given C. D. Events A and C are conditionally independent given B. E. The probability of winning is 3
General
2 months ago
Write an expression that is equivalent to −30+(−40)+(−70) using the commutative property of addition.HINT: Your answer should be in this form: X + Y + Z NOT just one number
General
2 months ago
∆ABC is similar to ∆DEF. The ratio of the perimeter of ∆ABC to the perimeter of ∆DEF is 1 : 10. The longest side of ∆DEF measures 40 units. The length of the longest side of ∆ABC is 241630 units. The ratio of the area of ∆ABC to the area of ∆DEF is 1 : 11 : 21 : 101 : 100.
General
2 months ago
An online furniture store sells chairs for $200 each and tables for $800 each. Every day, the store can ship at most 19 pieces of furniture and must sell a minimum of $8000 worth of chairs and tables. If 7 chairs were sold, determine the minimum number of tables that the the store must sell in order to meet the requirements. If there are no possible solutions, submit an empty answer.
General
2 months ago
the eccentricity of a hyperbola is defined as e=c/a. find an equation with vertices (1,-3) and (-3,-3) and e=5/2
General
2 months ago
Point B has coordinates (1,2). The x-coordinate of point A is negative 8. The distance between point A and point B is 15 units. What are the possible coordinates of point A?
General
2 months ago
Hey Everyone, I really need help on this asap, thank you so much :)
General
2 months ago
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